diff --git a/api/core/app/entities/app_invoke_entities.py b/api/core/app/entities/app_invoke_entities.py
index 65ed26795..11f37c4ba 100644
--- a/api/core/app/entities/app_invoke_entities.py
+++ b/api/core/app/entities/app_invoke_entities.py
@@ -9,7 +9,6 @@ from core.app.app_config.entities import EasyUIBasedAppConfig, WorkflowUIBasedAp
 from core.entities.provider_configuration import ProviderModelBundle
 from core.file import File, FileUploadConfig
 from core.model_runtime.entities.model_entities import AIModelEntity
-from core.ops.ops_trace_manager import TraceQueueManager
 
 
 class InvokeFrom(Enum):
@@ -114,7 +113,8 @@ class AppGenerateEntity(BaseModel):
     extras: dict[str, Any] = Field(default_factory=dict)
 
     # tracing instance
-    trace_manager: Optional[TraceQueueManager] = None
+    # Using Any to avoid circular import with TraceQueueManager
+    trace_manager: Optional[Any] = None
 
 
 class EasyUIBasedAppGenerateEntity(AppGenerateEntity):